MESON Chess Problem Database

Problem Display
PID: 258317 (1r4n1/4k1P1/3N2K1/4P3/1B2Q3/8/8/8 w - - 0 1)

Anonymous

English Mechanic and World of Science, 1891

(First published on Fri Aug 28 1891)

1r4n1/4k1P1/3N2K1/4P3/1B2Q3/8/8/8

#2

6 + 3

15239 Valois Notebooks 2022

SOLUTION

  • SOUND
  • Keys
    • 1.Qc6!
      • threat
        • 2.Sb7#
      • 1...Ke6
        • 2.Sc4#
        • 2.Sf7#
      • 1...Kd8
        • 2.Sf7#
      • 1...Rxb4
        • 2.Qe8#
      • 1...Rb5
        • 2.Qe8#
      • 1...Rb6
        • 2.Qe8#
      • 1...Rb7
        • 2.Sxb7#
        • 2.Qe8#
      • 1...Rd8
        • 2.Sf5#
        • 2.Sc8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(B);
    • Threat
      • B(A)+S(D)
    • Vars
      • K(a);S_CUTR(b),S_FLIGHT::S(D)
      • R(b);N_GUARD,XB(A)::QAR1(B)
      • R(b);N_GUARD::QAR1(B)
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